INTRODUCTION
ATO Quebracho extract has been chemically treated to transform the insolubles inherent in a natural Quebracho extract with the additional advantage of having been spraydried offering the highest tannin content among vegetable extracts.
PROPERTIES
- Complete dissolution in cold water.
- High tannin content.
- Rapid penetration.
- Excellent tanning properties.
-Stablized quality.
- Non dusty.
- Non astringent.
- Good weight yield.
- Full compatibility with vegetable tans and syntans.
USAGE
UNITAN ATO specially used in all vegetable tanning, mixed tanning and chrome retanning processes.
TYPICAL ANALYSIS（SHAKE METHOD）
Physical aspect: Reddish brown powder
Tannin Agents %: 72 ± 1.5
None Tannin Agents%: 20±1
Ratio of Tannin and None Tannin Agents: 3.60
Ph: 4.9±0.2
Water Max %: 8±0.5
Insolubles %: N.A.
Lovibond Colour (obs): ±0.2
Red: 3.0
Yellow: 5.5
